Question

A current carrying rectangular coil is placed in a uniform magnetic field. In which orientation, the coil will not tend to rotate

(a) The magnetic field is parallel to the plane of the coil

(b) The magnetic field is perpendicular to the plane of the coil

(c) The magnetic field is at 45o with the plane of the coil

(d) Always in any orientation

Answer

(b) The magnetic field is perpendicular to the plane of the coil

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